9
MICROSPEED
REV 04/05
ACC
The solder bridges J2-J4 allow
insertion of the acc/dec function
(ramp). With this potentiometer we
can adjust the slope of the ramp in
acceleration and deceleration.
Turning the potentiometer
clockwise (cw) increases the ramp
time from 0,1 to 1 Sec (with 10 V
reference).
It is also possible to increase more,
this time by opening solder bridge
J3 and inserting resistance RAMP on
the socket. (See chapter
ADJUSTMENT)
VEL
Speed potentiometer.Turn the potentiometer clockwise
(cw) to increase the maximum speed and anti-clockwise
(ccw) to reduce the maximum speed.
The range of the adjustment is +/-20%.
BIL
Offset adjustment.Adjust this potentiometer to cancel
any offset in the external speed ref. signal.
(Max ref. compensation +/- 200mV).
KV
With this adjustment we can improve the dynamic
behaviour of the servomotor.With a clockwise turn
(cw)we increase the gain of the PI speed stage, therefore,
improving the response.
DER
Turn the potentiometer clocwise (cw)to increase the
derivative effect,reducing the amount of overshoot in
the system response.
2.3 Potentiometer adjustment
Pot.
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